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FixMyFX
Free FX fee calculator, plus how to reduce your FX costs
A free, no-sign-up calculator for founders who sell or spend in foreign currencies. Enter your revenue and spend, see roughly what FX fees cost you per year, then get a plain-English plan to minimise these costs: receive and spend in the same currency (e.g. Wise or Airwallex + a local bank). Typically FX tools compare transfer rates; FixMyFX looks at your whole flow, income and spending. It runs entirely in your browser: your numbers are never collected or sent to a server.
About FixMyFX on Product Hunt
“Free FX fee calculator, plus how to reduce your FX costs”
FixMyFX was submitted on Product Hunt and earned 12 upvotes and 5 comments, placing #14 on the daily leaderboard. A free, no-sign-up calculator for founders who sell or spend in foreign currencies. Enter your revenue and spend, see roughly what FX fees cost you per year, then get a plain-English plan to minimise these costs: receive and spend in the same currency (e.g. Wise or Airwallex + a local bank). Typically FX tools compare transfer rates; FixMyFX looks at your whole flow, income and spending. It runs entirely in your browser: your numbers are never collected or sent to a server.
On the analytics side, FixMyFX competes within Fintech, Payments and Money — topics that collectively have 65.4k followers on Product Hunt. The dashboard above tracks how FixMyFX performed against the three products that launched closest to it on the same day.
Who hunted FixMyFX?
FixMyFX was hunted by Tania Bell. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of FixMyFX including community comment highlights and product details, visit the product overview.


Hi Product Hunt 👋 I'm Tania, a product manager (and former finance manager), and the maker of FixMyFX.
It started with a tweet. A founder shared a Stripe screenshot: on an $899 sale, about 6% had vanished in fees, and roughly 2% of that was automatic currency conversion, not processing. I replied with a simple fix: get a USD account (Wise, say) and convert when you choose. My reply got got attention - comments, 40 bookmarks, 5.9K views, while I had about 100 followers. A week later he switched off auto-conversion.
I planned to write a guide. While sketching the FX diagram, I realised a calculator would help more, because everyone's mix of currencies, revenue and spend is different, and seeing your own number persuades more than a general rule.
Who it's for: founders and small teams who sell or spend in foreign currencies.
💸 Estimates what you lose on foreign revenue and foreign spend
🧭 Shows how to keep it: receive and spend in the same currency
🔒 Free, no sign-up, runs in your browser
I built it with Claude's help, starting in React and then stripping it back to a single HTML file.
I'd love your feedback: is anything confusing?
And how do you handle multi-currency today: convert straight away, or keep balances in the currency you're paid in?
I share my work here